Book (Practical) Mathematics A book that allows students to master math for the third year of junior high school in 14 hours - a comprehensive review that allows students to understand and solve smoothly Brain exercise in 60 minutes on a train to work or school
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Japanese title: 単行本(実用) 数学 中学3年分の数学が14時間でマスターできる本-きちんとわかる・スラスラ解ける総復習 通勤・通学電車の60分で頭の体操